CN202360585U

CN202360585U - Rotary table bearing used for blast furnace

Info

Publication number: CN202360585U
Application number: CN2011205012401U
Authority: CN
Inventors: 韩长涛; 王衍涛; 王立平
Original assignee: DALIAN GRANDWAY BEARING Co Ltd
Current assignee: DALIAN GRANDWAY BEARING Co Ltd
Priority date: 2011-12-06
Filing date: 2011-12-06
Publication date: 2012-08-01
Anticipated expiration: 2021-12-06

Abstract

The utility model discloses a rotary table bearing used for a blast furnace, which comprises a first inner ring, a second inner ring, an outer ring, a plurality of main thrust rollers, a plurality of auxiliary thrust rollers and a plurality of radial rollers, wherein two axial roller paths and one radial roller path are respectively formed between the first inner ring and the outer ring as well as between the second inner ring and the outer ring; the main thrust rollers are arranged in the first axial roller path; the auxiliary thrust rollers are arranged in the second axial roller path; the radial rollers are arranged in the radial roller path; the main thrust rollers and the auxiliary thrust rollers are two rows of axial bearing thrust tapered rollers; the radial rollers are one row of radial bearing centripetal cylindrical rollers; the first inner ring and the second inner ring are positioned by multiple groups of symmetrically-distributed locating pins and are fixedly connected by a plurality of bolts and corresponding gaskets; a baffle is arranged between the first inner ring and the second inner ring and is welded by a plurality of evenly-distributed spot welding; the ports of an oil circuit X, an oil circuit Y and an oil circuit Z are arranged on the upper end surface of the first inner ring; the oil circuit X is led to the second axial roller path; the oil circuit Y is led to the radial roller path; and the oil circuit Z is led to the first axial roller path.

Description

A kind of blast furnace is used turntable bearing

Technical field

The utility model relates to a kind of bearing, and particularly a kind of blast furnace is used turntable bearing.

Background technique

Bearing is made up of inner ring, outer ring, a plurality of roller and retainer usually, and a plurality of rollers are installed in respectively in the pocket hole that keeps corresponding on the stand and are placed in the raceway that is made up of inner ring and outer ring, and the retainer lid is fixed on the upper-end surface that keeps stand.Turntable bearing is a kind ofly can bear combined load, the special large-scale and extra large size bearing of structure, characteristics such as require to have compact structure, revolution is flexible, convenient for installation and maintenance.Compare with plain bearing, turntable bearing has following notable feature: 1) boundary dimension is big; 2) bearing capacity is high, generally can bear thrust load, radial load and tilting moment load simultaneously; 3) rotating speed is low, and working speed is lower than 10r/min, and does not in most cases do continuous revolution, only in several angle, rotates, and does oscillating motion.4) have bearing mounting hole, available screw is fastened on it on upper and lower bearing.

The model utility content

The purpose of the utility model provides a kind of wear-resistant, resistant to elevated temperatures blast furnace and uses turntable bearing, is mainly used in up-to-the-minute blast furnace material distribution mechanism, is the core component of this mechanism.

The technological scheme that adopts is:

A kind of blast furnace is used turntable bearing, comprises first inner ring, second inner ring, outer ring, a plurality of main thrust roller, a plurality of secondary thrust rollers and a plurality of radial roller, it is characterized in that:

Form radially raceway of two axial raceways and between first inner ring, second inner ring and the outer ring; A plurality of main thrust rollers are installed in the first axial raceway; A plurality of secondary thrust rollers are installed in the second axial raceway; A plurality of radial rollers are installed in radially in the raceway, and a plurality of main thrust rollers and a plurality of secondary thrust roller are two row's axial carrying thrust cone rollers, and a plurality of radial rollers are that a row is radially carried entad cylindrical roller; First inner ring and second inner ring are fixedly connected first inner ring with corresponding packing ring through a plurality of bolts through the locating stud location that many groups are symmetrically distributed again with second inner ring; Baffle plate is arranged between first inner ring and the outer ring, and through equally distributed a plurality of spot-welded on;

The port of oil circuit X, oil circuit Y and oil circuit Z is arranged on the upper-end surface of first inner ring, and oil circuit X leads to the second axial raceway, and oil circuit Y leads to radially raceway; Oil circuit Z leads to the first axial raceway; Because when work, inner ring fixed, so lubricant oil can get into hydraulic fluid port smoothly, and raceway is lubricated.

The advantage of the utility model is:

1, the utility model is wear-resistant, and is high temperature resistant, and rotating speed is high, and bearing capacity is high, and can reach more than 12 years working life, is applicable to up-to-the-minute blast furnace material distribution mechanism, is the core component of this mechanism;

2, on bearing outside diameter, carry the fine finishing gear, can increase substantially transmission accuracy;

3, bearing inner race and outer ring are processed with bolt connecting hole simultaneously, can effectively simplify structure and dimensional space with its connected element;

4, the lasso material adopts the 5CrMnMo hot-working die steel, has higher wear resistance and heat resistance;

5, at bearing face and machined some lubricating oil paties are arranged, to form lubricating to every row raceway;

6, quench soft band of raceway face adopts laser hardening to handle, and makes whole circle raceway all obtain hardened layer.

Description of drawings

Fig. 1 is the longitudinal section schematic representation of the utility model.

Fig. 2 is the oil circuit X structural representation of the utility model.

Fig. 3 is the oil circuit Y structural representation of the utility model.

Fig. 4 is the oil circuit Z structural representation of the utility model.

Fig. 5 is the mounting hole distribution map schematic representation of the utility model.

Fig. 6 is the structural representation of locating stud part in the utility model.

Embodiment

A kind of blast furnace is used turntable bearing, comprises first inner ring 2, second inner ring 3, outer ring 1, a plurality of main thrust roller 4, a plurality of secondary thrust roller 5 and a plurality of radial roller 6, it is characterized in that:

Form radially raceway of two axial raceways and between first inner ring 2, second inner ring 3 and the outer ring 1; A plurality of main thrust rollers 4 are installed in the first axial raceway; A plurality of secondary thrust rollers 5 are installed in the second axial raceway; A plurality of radial rollers 6 are installed in radially in the raceway, and a plurality of main thrust rollers 4 are two row's axial carrying thrust cone rollers with a plurality of secondary thrust rollers 5, and a plurality of radial rollers 6 are that a row is radially carried entad cylindrical roller; First inner ring 2 and second inner ring 3 are fixedly connected first inner ring 2 with corresponding packing ring 11 through a plurality of bolts 10 through locating stud 7 location that many groups are symmetrically distributed again with second inner ring 3; Baffle plate 8 is arranged between first inner ring 2 and the outer ring 1, and through equally distributed 30 spot welding, 9 welding;

The port of oil circuit X, oil circuit Y and oil circuit Z is arranged on the upper-end surface of first inner ring, and oil circuit X leads to the second axial raceway, and oil circuit Y leads to radially raceway, and oil circuit Z leads to the first axial raceway.

Claims

1. a blast furnace is used turntable bearing, comprises first inner ring (2), second inner ring (3), outer ring (1), a plurality of main thrust roller (4), a plurality of secondary thrust rollers (5) and a plurality of radial roller (6), it is characterized in that:

Form radially raceway of two axial raceways and between first inner ring (2), second inner ring (3) and outer ring (1); A plurality of main thrust rollers (4) are installed in the first axial raceway; A plurality of secondary thrust rollers (5) are installed in the second axial raceway; A plurality of radial rollers (6) are installed in radially in the raceway; A plurality of main thrust rollers (4) and a plurality of secondary thrust rollers (5) are two row's axial carrying thrust cone rollers, and a plurality of radial rollers (6) are that a row is radially carried entad cylindrical roller; First inner ring (2) and second inner ring (3) are fixedly connected first inner ring (2) through a plurality of bolts (10) through locating stud (7) location that many groups are symmetrically distributed again with second inner ring (3); Baffle plate (8) is arranged between first inner ring (2) and outer ring (1), and welds through equally distributed a plurality of spot welding (9);